Home / 77,363.40-115,848.15-50,988.18

Finding the Fourth Proportional to 77,363.40, 115,848.15 and 50,988.18

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Solution

The fourth proportional to 77,363.40, 115,848.15 and 50,988.18 is: 76,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,363.40 : 115,848.15 = 50,988.18 : x
  2. Step 2: Convert to fraction form
    77,363.40/115,848.15 = 50,988.18/x
  3. Step 3: Cross multiply
    77,363.40x = 115,848.15 × 50,988.18
  4. Step 4: Simplify right side
    77,363.40x = 5,906,886,324.87
  5. Step 5: Solve for x
    x = 5,906,886,324.87/77,363.40
  6. Step 6: Final answer
    x = 76,352.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.